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(11)

EP 4 384 493 A1

(12)

(43) Date of publication: 19.06.2024 Bulletin 2024/25 (21) Application number: 22855428.3 (22) Date of filing: 09.08.2022

(51) International Patent Classification (IPC):  C07C 211/44(2006.01) C07D 231/00(2006.01) A61K 31/136(2006.01) A61P 25/00(2006.01) A61P 25/16(2006.01) C07D 213/00(2006.01) C07D 263/00(2006.01) A61K 31/395(2006.01) A61P 25/14(2006.01) (52) Cooperative Patent Classification (CPC): A61P 25/14; A61P 25/16; A61P 25/00; C07D 265/30; C07D 241/04; C07D 295/13; C07D 295/135; C07D 401/04; C07D 211/58; C07D 401/12; C07D 405/12; C07D 401/14; C07D 403/12; C07D 211/76; C07D 211/56; C07D 211/96; C07D 211/26; C07D 401/06; C07D 211/18; C07D 211/14; C07D 211/22; C07D 211/48; C07D 211/46; C07D 405/14; C07D 451/04; C07D 487/08; C07D 231/12; C07D 231/38; C07D 213/74; C07D 207/14; C07D 309/14; C07D 207/27; C07D 207/277; C07D 207/273; C07D 205/04; C07D 233/32; C07D 207/08; C07D 215/38; C07D 309/04; C07D 307/79; C07D 277/60; C07D 413/04; C07D 413/14; C07D 417/04; C07D 233/64; C07D 233/61; C07D 239/22; C07D 335/02; C07D 239/47; C07D 209/08; C07D 267/10; C07D 498/08; C07D 491/107; C07D 491/048; C07F 7/0816; C07C 2601/14; C07C 211/53; C07C 217/52; C07C 237/24; C07C 217/08; C07C 2601/08; C07C 2601/04; C07C 2601/18; C07C 215/42; C07C 2603/74; C07C 2602/08; C07C 2602/10; C07C 217/84; C07C 215/44; C07C 2601/02; C07C 211/48; C07C 229/48; C07C 2602/50; C07C 215/10; C07C 217/90; C07C 275/14; C07C 275/26; C07C 307/08; C07C 2602/22; C07C 215/16; C07C 211/51 (86) International application number: PCT/CN2022/111129 (87) International publication number: WO 2023/016447 (16.02.2023 Gazette 2023/07)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 09.08.2021 WO PCT/CN2021/111481 (71) Applicant: Sironax Ltd Grand Cayman, KY1-1104 (KY)	(72) Inventors: HOU, Weijie Beijing 102206 (CN) ZHANG, Zhiyuan Beijing 102206 (CN) XU, Yanping Beijing 102206 (CN) JIANG, Yimin Beijing 102206 (CN) XU, Xingyu Beijing 102206 (CN) HAN, Jianguang Beijing 102206 (CN) (74) Representative: Finnegan Europe LLP  1 London Bridge London SE1 9BG London SE1 9BG (GB)